Use of Dynamic Magnonic Crystals for Measuring the Parameters of Surface Magnetostatic Waves

被引：1
|
作者：
Kryshtal, R. G. [1 ]
Medved, A., V [1 ]
机构：
[1] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Fryazino Branch, Fryazino 141190, Moscow Oblast, Russia
来源：
INSTRUMENTS AND EXPERIMENTAL TECHNIQUES | 2019年 / 62卷 / 06期
关键词：
SPIN-WAVES; ACOUSTIC-WAVES; THIN;
D O I：
10.1134/S0020441219060101
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The use of dynamic magnonic crystals created by a surface acoustic wave (SAW) for measuring the parameters of a surface magnetostatic wave in a film of yttrium iron garnet (YIG) on a gallium gadolinium garnet (GGG) substrate is described. A method for measuring the dispersion characteristics of a surface magnetostatic spin wave (SMSW) and results of such measurements are presented. The method is based on measuring reflected SMSWs at frequencies of forbidden magnonic gaps using the same antenna for the excitation of incident SMSWs and the detection of reflected SMSWs. The attenuation parameter of the SMSW is determined by measuring the frequency width of reflected SMSW signals. The dispersion curves have been measured for several angles between the direction of the magnetic field and the wave vector in the plane of YIG film and for two thicknesses of the YIG film at wave numbers ranging up to 1000 cm(-1). Results of measurements of the attenuation parameter are also presented.
引用
收藏
页码：850 / 854
页数：5
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